🍱 update default method video url

hellokaton · hellokaton · commit e6f8b7d2418c · 2018-02-12T01:06:52.000+08:00
diff --git a/java8-default-methods/src/main/java/io/github/biezhi/java8/defaultmethods/CalculatorFactory.java b/java8-default-methods/src/main/java/io/github/biezhi/java8/defaultmethods/CalculatorFactory.java
@@ -4,7 +4,7 @@
  * @author biezhi
  * @date 2018/2/11
  */
-public class CalculatorFactoy {
+public class CalculatorFactory {
 
     public static Calculator getInstance(){
         return new BasicCalculator();
